diff options
| author | Luke Shumaker <lukeshu@datawire.io> | 2019-08-14 22:15:59 -0400 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@datawire.io> | 2019-08-14 22:20:07 -0400 |
| commit | f675d9e62ace7b5a706ce2f499f6a18248a728b4 (patch) | |
| tree | 5895348765ca0a41ad40c59c607f41fbf2ff90b1 /sd_daemon/notify_linux.go | |
| parent | 8f32f1724fce55699a7a9675390c1c2b292190a4 (diff) | |
sd_daemon/notify_*.go:socketUnixgram(): Cross-reference with net
Diffstat (limited to 'sd_daemon/notify_linux.go')
| -rw-r--r-- | sd_daemon/notify_linux.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sd_daemon/notify_linux.go b/sd_daemon/notify_linux.go index 903f1ad..085b25c 100644 --- a/sd_daemon/notify_linux.go +++ b/sd_daemon/notify_linux.go @@ -99,7 +99,16 @@ func (msg Notification) send(unsetEnv bool) error { // the high-level interface of "net", and messing around with FileConn // and UnixConn. Maybe we just drop to using unix.Socket and // unix.SendmsgN directly. +// +// See: net/sock_cloexec.go:sysSocket() func socketUnixgram(name string) (*net.UnixConn, error) { + // Don't bother with SOCK_NONBLOCK, net.FileConn() will call + // syscall.SetNonblock(). + // + // BUG(lukeshu): On Linux, Notification.Send() depends on + // SOCK_CLOEXEC in Linux 2.6.27 (2008-10-09), which is + // slightly newer than Go itself depends on, 2.6.23 + // (2007-10-09). fd, err := unix.Socket(unix.AF_UNIX, unix.SOCK_DGRAM|unix.SOCK_CLOEXEC, 0) if err != nil { return nil, os.NewSyscallError("socket", err) |